• Since it is a single unit, you don't have to worry about losing parts. Super easy installation, just peel and stick. No tools required for women to install securely • The metal parts are made of high hardness zinc alloy (zinc alloy)**, it does not oxidize or rust, and is wear-resistant and scratch-resistant • The diamonds adopt the European Czech royal brand "Bosch Ocean", which gives a translucent, long lasting shine and promises a timeless beauty without yellowing • High quality automotive grade adhesive tape applied. No adhesive residue when removed, clean and will not damage painted surfaces for peace of mind • High quality decorative components add sophistication and luxury to the interior & exterior of your vehicle